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BD12KA5FP-E2 Fiches technique(PDF) 11 Page - Rohm

No de pièce BD12KA5FP-E2
Description  500mA Variable/Fixed Output LDO Regulators Built-in thermal shutdown circuit
Download  18 Pages
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Fabricant  ROHM [Rohm]
Site Internet  http://www.rohm.com
Logo ROHM - Rohm

BD12KA5FP-E2 Fiches technique(HTML) 11 Page - Rohm

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Datasheet
11/15
BDxxKA5 Series
BDxxKA5W Series
BD00KA5W Series
TSZ02201-0R6R0A600150-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111・15・001
26.Jun.2012 Rev.001
●Vo Terminal
Please be sure to attach an anti-oscillation capacitor between Vo and GND.
Be sure to place an anti-oscillation capacitor between the output terminal and the GND. Oscillations may arise if the
capacitance value changes, due to factors such as temperature changes. A 1
μF capacitor with small internal series resistance
(ESR) such as a ceramic capacitor is recommended as an anti-oscillation capacitor. Ceramic capacitors generally have
favorable temperature characteristics and DC bypass characteristics. When selecting a ceramic capacitor, a high voltage
capacitor (good DC bypass characteristics) with temperature characteristics that are superior to those of X5R or X7R, is
recommended. In applications where input voltage and load fluctuations are rapid, please decide on a capacitor after
sufficiently confirming its properties according to its specifications in the actual application.
0
20
40
60
80
100
120
01234
直流バイアスVdc(V)
0
20
40
60
80
100
120
01234
直流バイアスVdc(V)
0
20
40
60
80
100
120
-25
0
255075
Temp(℃)
50V Max.Input
16V Max.Input
10V Max.Input
16V Max.Input
10V Max.Input
Y5V
X7R
X5R
Vdc=0
Fig.26 General characteristics of ceramic capacitors
50V Max.Input
DC bypass Vdc(V)
DC bypass Vdc(V)
(a)
Capacitance-bypass
characteristics (Y5V)
(b)Capacitance-bypass
characteristics(X5R,X7R)
Temp(℃)
(C)Capacitance-temperature
characteristics(X5R,X7R,Y5V)
Fig.25 ESR-Io Characteristics
0.01
0.1
1
10
100
0
100
200
300
400
500
Iout(m A)
安定領域
発振領域
Fig.24 Output Equivalent Circuit
OUT
1μF
IC
Oscillation region
Stable region
ADJ
Cin
Vcc
2V
1μF
1μF
ESR
Io(ROUT)
R1=30kΩ,R2=2kΩ
Vcc
GND
R1
R2
VCTL
OUT
CTL
Io(mA)


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